参数资料
型号: LTC4266AIUHF-2#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PQCC38
封装: 7 X 5 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件页数: 26/28页
文件大小: 325K
代理商: LTC4266AIUHF-2#PBF
LTC4266A/LTC4266C
7
4266acf
typicAl perForMAnce chArActeristics
Power-On Sequence in
AUTO Pin Mode
Powering Up into a 180F Load
802.3af Classification in
AUTO Pin Mode
2-Event Classification in
AUTO Pin Mode
Classification Transient Response
to 40mA Load Step
Classification Current Compliance
VDD Supply Current vs Voltage
VEE Supply Current vs Voltage
802.3at ILIM Threshold
vs Temperature
100ms/DIV
–70
–60
POR
TVOL
TAGE
(V)
10
0
–10
–20
–30
–40
–50
4266AC G01
PORT 1
VDD = 3.3V
VEE = –54V
FORCED CURRENT DETECTION
FORCED VOLTAGE
DETECTION
802.3af
CLASSIFICATION
POWER ON
GND
VEE
5ms/DIV
GND
0mA
4266AC G02
VEE
GATE
VOLTAGE
10V/DIV
PORT
CURRENT
200 mA/DIV
PORT
VOLTAGE
20V/DIV
FOLDBACK
FET ON
425mA
CURRENT LIMIT
LOAD
FULLY
CHARGED
VDD = 3.3V
VEE = –54V
5ms/DIV
VEE
–18.4
PORT
VOLTAGE
10V/DIV
GND
4266AC G03
PORT 1
VDD = 3.3V
VEE = –55V
PD IS CLASS 1
10ms/DIV
VEE
–17.6
PORT
VOLTAGE
10V/DIV
GND
4266AC G04
PORT 1
VDD = 3.3V
VEE = –55V
PD IS CLASS 4
1ST CLASS EVENT
2ND CLASS EVENT
50s/DIV
40mA
0mA
4266AC G05
–20V
PORT
VOLTAGE
1V/DIV
PORT
CURRENT
20mA/DIV
VDD = 3.3V
VEE = –54V
CLASSIFICATION CURRENT (mA)
–20
CLASSIFICA
TION
VOL
TAGE
(V)
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
10
20
30
4266AC G06
40
50
60
70
VDD = 3.3V
VEE = –54V
TA = 25°C
VDD SUPPLY VOLTAGE (V)
2.7
0.8
I DD
SUPPL
YCURRENT
(mA)
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2.9 3.1 3.3 3.5
4266AC G07
3.7 3.9 4.1 4.3
–40°C
25°C
85°C
VEE SUPPLY VOLTAGE (V)
–60
2.0
I EE
SUPPL
YCURRENT
(mA)
2.1
2.2
2.3
2.4
–55 –50 –45 –40
4266 G08
–35 –30 –25 –20
–40°C
25°C
85°C
TEMPERATURE (°C)
–40
210
V LIM
(mV)
ILIM
(mA)
211
213
212
214
215
840
844
852
848
856
860
0
40
4266AC G09
–80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 48h = C0h
相关PDF资料
PDF描述
LS2815D/CKC 2-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE
LGH-1209 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
LX1668CDW 1 A SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO20
LM3712XNBP-308 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA9
LSM2-T/6-W3N-C 1-OUTPUT 19.8 W DC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
LTC4266AIUHF-3#PBF 功能描述:IC CONTROLLER PSE QUAD 38QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 控制器 系列:* 标准包装:2,450 系列:- 控制器类型:SPI 总线至 I²C 总线桥接 接口:I²C,串行,SPI 电源电压:2.4 V ~ 3.6 V 电流 - 电源:11mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-HVQFN(4x4) 包装:托盘 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名称:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4266AIUHF-3#TRPBF 功能描述:IC CONTROLLER PSE QUAD 38-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 控制器 系列:- 标准包装:2,450 系列:- 控制器类型:SPI 总线至 I²C 总线桥接 接口:I²C,串行,SPI 电源电压:2.4 V ~ 3.6 V 电流 - 电源:11mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-HVQFN(4x4) 包装:托盘 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名称:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4266AIUHF-4#PBF 功能描述:IC CONTROLLER PSE QUAD 38-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 控制器 系列:- 标准包装:2,450 系列:- 控制器类型:SPI 总线至 I²C 总线桥接 接口:I²C,串行,SPI 电源电压:2.4 V ~ 3.6 V 电流 - 电源:11mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-HVQFN(4x4) 包装:托盘 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名称:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4266AIUHF-4#TRPBF 功能描述:IC CONTROLLER PSE QUAD 38-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 控制器 系列:- 标准包装:2,450 系列:- 控制器类型:SPI 总线至 I²C 总线桥接 接口:I²C,串行,SPI 电源电压:2.4 V ~ 3.6 V 电流 - 电源:11mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-HVQFN(4x4) 包装:托盘 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名称:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4266C 制造商:LINER 制造商全称:Linear Technology 功能描述:12-Port PoE/PoE+/LTPoE++ PSE Controller